Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Sacred Heart of Jesus Catholic Church | Church | 13 | East Baton Rouge | 30 27 05 N | 091 09 55 W |
| Sacred Heart of Jesus High School | School | -1 | Orleans | 29 58 07 N | 090 05 34 W |
| Sacred Heart of Jesus School | School | 2 | St. Charles | 30 00 33 N | 090 25 02 W |
| Sacred Heart of Mary Spiritual Church of Christ | Church | 4 | Ascension | 30 13 59 N | 090 59 37 W |
| Sacred Heart School | School | 16 | Avoyelles | 31 02 13 N | 091 58 37 W |
| Sacred Heart School | School | 4 | Calcasieu | 30 13 54 N | 093 12 18 W |
| Sacred Heart School | School | 1 | Orleans | 29 55 37 N | 090 06 13 W |
| Sacred Heart School | School | 34 | Rapides | 31 19 10 N | 092 26 06 W |
| Sacred Heart School | School | 2 | St. Mary | 29 41 36 N | 091 12 18 W |
| Saddle Bayou | Stream | | Grant | 31 41 54 N | 092 37 03 W |
| Saddle Bayou Primitive Campground | Locale | 36 | Grant | 31 42 11 N | 092 36 12 W |
| Saddle Branch | Stream | | Natchitoches | 31 25 57 N | 093 11 48 W |
| Saddletree Lake | Lake | 14 | Tensas | 32 00 56 N | 091 22 08 W |
| Sadie | Populated Place | 48 | Union | 32 59 21 N | 092 13 51 W |
| Sadou | Populated Place | 10 | Lafayette | 30 14 15 N | 092 08 34 W |
| Safety Creek | Stream | | La Salle | 31 46 03 N | 092 09 33 W |
| Sage Hill Church | Church | 68 | West Feliciana | 30 51 34 N | 091 19 04 W |
| Sagrera Landing Strip | Airport | 1 | Vermilion | 29 49 44 N | 092 11 53 W |
| Sailes | Populated Place | 77 | Bienville | 32 25 32 N | 093 06 30 W |
| Sailes Lookout Tower | Tower | 120 | Bienville | 32 21 47 N | 093 08 27 W |
| Sailes Oil Field | Oilfield | 69 | Bienville | 32 24 41 N | 093 07 21 W |
| Saint Abraham Church | Church | 46 | Caddo | 32 20 42 N | 093 37 56 W |
| Saint Agnes Catholic Church | Church | 15 | East Baton Rouge | 30 26 29 N | 091 10 47 W |
| Saint Agnes Catholic Church | Church | 2 | Jefferson | 29 57 45 N | 090 09 33 W |
| Saint Agnes Church | Church | 12 | St. Landry | 30 42 34 N | 092 03 52 W |
| Saint Agnes School | School | 2 | Jefferson | 29 57 46 N | 090 09 37 W |
| Saint Alban Landing | Locale | 17 | Caldwell | 32 10 50 N | 092 06 40 W |
| Saint Albans Episcopal Church | Church | 12 | East Baton Rouge | 30 24 56 N | 091 10 33 W |
| Saint Albans Episcopal Church | Church | 21 | Ouachita | 32 29 33 N | 092 05 35 W |
| Saint Albert the Great Catholic Church | Church | 13 | Tangipahoa | 30 30 35 N | 090 28 02 W |
| Saint Alice Plantation (historical) | Locale | 3 | St. James | 30 02 58 N | 090 53 53 W |
| Saint Alice Revetment | Levee | 3 | St. James | 30 03 50 N | 090 53 58 W |
| Saint Alma School | School | 10 | Pointe Coupee | 30 35 10 N | 091 23 44 W |
| Saint Aloysius Cemetery | Cemetery | 28 | Grant | 31 25 48 N | 092 41 11 W |
| Saint Aloysius High School | School | 1 | Orleans | 29 57 56 N | 090 03 35 W |
| Saint Aloysius School | School | 11 | East Baton Rouge | 30 24 56 N | 091 08 58 W |
| Saint Alphonsus Catholic Church | Church | 7 | Vermilion | 30 06 27 N | 092 07 32 W |
| Saint Alphonsus School (historical) | School | 2 | Orleans | 29 55 52 N | 090 04 19 W |
| Saint Amant | Populated Place | 2 | Ascension | 30 13 29 N | 090 52 08 W |
| Saint Amant High School | School | 2 | Ascension | 30 14 31 N | 090 52 17 W |
| Saint Amant Middle School | School | 3 | Ascension | 30 13 23 N | 090 51 34 W |
| Saint Amant Post Office | Post Office | 2 | Ascension | 30 13 26 N | 090 51 14 W |
| Saint Amant Primary School | School | 2 | Ascension | 30 13 21 N | 090 51 33 W |
| Saint Amant Swamp | Swamp | 0 | Ascension | 30 19 42 N | 090 51 46 W |
| Saint Ambrose Cemetery | Cemetery | 9 | Pointe Coupee | 30 35 50 N | 091 22 58 W |
| Saint Ambrose Church | Church | 9 | Pointe Coupee | 30 36 12 N | 091 22 58 W |
| Saint Amelia Gas Field | Oilfield | 2 | St. James | 30 01 34 N | 090 48 55 W |
| Saint Andrew Presbyterian Church | Church | 4 | Calcasieu | 30 11 02 N | 093 13 01 W |
| Saint Andrew Presbyterian Church | Church | 78 | Vernon | 31 08 29 N | 093 16 54 W |
| Saint Andrew School | School | 0 | Orleans | 29 55 17 N | 089 59 57 W |
| Saint Andrew Street Wharf | Locale | 4 | Orleans | 29 55 26 N | 090 04 10 W |
| Saint Andrews Cemetery | Cemetery | 21 | St. Landry | 30 36 27 N | 092 10 41 W |
| Saint Andrews Cemetery | Cemetery | 1 | St. Mary | 29 41 12 N | 091 06 03 W |
| Saint Andrews Church | Church | 12 | East Baton Rouge | 30 24 30 N | 090 59 26 W |
| Saint Andrews Church | Church | 32 | Natchitoches | 31 32 60 N | 092 57 07 W |
| Saint Andrews Church | Church | 26 | Ouachita | 32 41 05 N | 092 03 04 W |
| Saint Andrews Church | Church | 19 | St. Landry | 30 37 31 N | 092 10 32 W |
| Saint Andrews Episcopal Church | Church | 1 | Orleans | 29 56 47 N | 090 07 48 W |
| Saint Andrews Episcopal Mission | Church | 1 | Terrebonne | 29 20 52 N | 090 49 58 W |
| Saint Ann Catholic Church | Church | 19 | Evangeline | 30 38 03 N | 092 25 07 W |
| Saint Ann Cemetery | Cemetery | 2 | Terrebonne | 29 33 18 N | 090 36 24 W |
| Saint Ann Chapel | Church | 2 | Ascension | 30 10 44 N | 090 51 51 W |
| Saint Ann Church | Church | 82 | De Soto | 32 14 35 N | 093 49 34 W |
| Saint Ann Church | Church | 3 | Iberville | 30 14 57 N | 091 17 36 W |
| Saint Ann Church | Church | 12 | Jefferson Davis | 30 25 36 N | 092 39 04 W |
| Saint Ann Church | Church | 3 | Terrebonne | 29 33 15 N | 090 36 24 W |
| Saint Anne Catholic Church | Church | 2 | Vermilion | 29 53 55 N | 092 15 43 W |
| Saint Anne Church | Church | 31 | Natchitoches | 31 38 28 N | 093 03 58 W |
| Saint Anne Church | Church | 31 | Natchitoches | 31 38 28 N | 093 03 59 W |
| Saint Anne General Hospital | Hospital | 2 | Lafourche | 29 42 13 N | 090 34 04 W |
| Saint Anne Heliport | Airport | 2 | Lafourche | 29 42 01 N | 090 34 00 W |
| Saint Annes Catholic Church | Church | 8 | Lafayette | 30 05 53 N | 091 59 26 W |
| Saint Annes Cemetery | Cemetery | 55 | Natchitoches | 31 48 52 N | 093 17 47 W |
| Saint Annes Church | Church | 46 | Natchitoches | 31 47 10 N | 093 17 09 W |
| Saint Anns Catholic Church | Church | 5 | Assumption | 29 56 17 N | 091 01 34 W |
| Saint Anns Catholic Church | Church | 10 | Pointe Coupee | 30 44 09 N | 091 35 40 W |
| Saint Anns Cemetery | Cemetery | 18 | Evangeline | 30 37 38 N | 092 24 48 W |
| Saint Anns Cemetery | Cemetery | 18 | Evangeline | 30 38 58 N | 092 25 28 W |
| Saint Anns Chapel | Church | 2 | Terrebonne | 29 31 57 N | 090 36 27 W |
| Saint Anthony Catholic Church | Church | 19 | East Baton Rouge | 30 28 13 N | 091 09 56 W |
| Saint Anthony Catholic Church | Church | 2 | Jefferson | 29 55 47 N | 090 03 03 W |
| Saint Anthony Catholic Church | Church | 46 | Natchitoches | 31 45 57 N | 093 05 27 W |
| Saint Anthony Catholic Church | Church | 2 | St. Charles | 29 55 15 N | 090 22 05 W |
| Saint Anthony Catholic Church | Church | 16 | St. Landry | 30 29 48 N | 092 25 04 W |
| Saint Anthony Cemetery | Cemetery | 15 | Avoyelles | 30 59 02 N | 092 02 02 W |
| Saint Anthony Cemetery | Cemetery | 1 | Jefferson | 29 43 54 N | 090 07 43 W |
| Saint Anthony Church | Church | 1 | Jefferson | 29 43 56 N | 090 07 44 W |
| Saint Anthony Church | Church | 2 | Lafourche | 29 42 10 N | 090 29 36 W |
| Saint Anthony Church | Church | 20 | St. Landry | 30 34 22 N | 092 09 32 W |
| Saint Anthony Divine Spiritual Temple of Christ | Church | -1 | Orleans | 29 58 09 N | 090 07 34 W |
| Saint Anthony Missionary Baptist Church | Church | 16 | East Baton Rouge | 30 27 31 N | 091 09 21 W |
| Saint Anthony of Padua School | School | 0 | Orleans | 29 58 41 N | 090 06 25 W |
| Saint Anthony Park | Park | 12 | Lafayette | 30 14 23 N | 092 01 36 W |
| Saint Anthony School | School | 19 | Avoyelles | 30 57 15 N | 092 11 22 W |
| Saint Anthony School | School | 16 | Avoyelles | 30 59 15 N | 092 02 36 W |
| Saint Anthony School | School | 1 | Jefferson | 29 55 48 N | 090 02 57 W |
| Saint Anthony School | School | 47 | Natchitoches | 31 45 54 N | 093 05 28 W |
| Saint Anthony School (historical) | School | 19 | East Baton Rouge | 30 28 16 N | 091 09 57 W |
| Saint Anthonys Catholic Church | Church | 12 | Lafayette | 30 14 21 N | 092 01 41 W |
| Saint Anthonys Church | Church | 2 | Terrebonne | 29 34 32 N | 090 48 38 W |
| Saint Antioch Cemetery | Cemetery | 26 | Tensas | 32 01 29 N | 091 08 26 W |
| Saint Antioch Church (historical) | Church | 27 | Tensas | 32 01 33 N | 091 08 29 W |
| Saint Antioch School (historical) | School | 23 | Tensas | 32 01 33 N | 091 08 29 W |
| Saint Antoine School | School | 12 | Lafayette | 30 14 03 N | 092 01 28 W |
| Saint Augustine Baptist Church | Church | 74 | Caddo | 32 29 59 N | 093 47 08 W |
| Saint Augustine Cemetery | Cemetery | 4 | Assumption | 30 01 08 N | 091 03 20 W |
| Saint Augustine Church | Church | 5 | Assumption | 30 01 07 N | 091 03 12 W |
| Saint Augustine Church | Church | 30 | Natchitoches | 31 36 45 N | 092 55 60 W |
| Saint Augustine Church | Church | 33 | Natchitoches | 31 35 39 N | 092 58 23 W |
| Saint Augustine Church | Church | 30 | Natchitoches | 31 36 45 N | 092 56 01 W |